Question

Why did Pope Pius V excommunicate Queen Elizabeth I in 1570?

The pope deemed her a heretic because she declared the Church of England independent of Vatican authority.

The pope declared her a heretic because she sided with Charles V to form the Schmalkaldic League.

The pope declared her a heretic because she invaded France and Spain, allies of the Catholic Church.

The pope declared her a heretic because she refused to send English troops to aid Rome when it was sacked by Spanish marauders.

Answer 1

Answer:
The pope deemed her a heretic because she declared the Church of England independent of Vatican authority.

Explanation.
Before Queen Elizabeth I, Queen Mary I who was Elizabeth's predecessor had returned the Church of England and the Church of Ireland back to Catholicism and the authority of the Vatican.
When Queen Elizabeth declared the Church of England to be free of Vatican authority, it prompted Pope Pius V to excommunicate her. and to incite rebellion against her rule and authority.